1 ; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -verify-machineinstrs -filetype=asm | FileCheck %s -check-prefix=ARM-linux 2 ; RUN: llc < %s -mtriple=arm-linux-unknown-gnueabi -filetype=obj 3 4 !llvm.dbg.cu = !{!0} 5 !llvm.module.flags = !{!9, !10} 6 !llvm.ident = !{!11} 7 8 define void @test_basic() #0 !dbg !4 { 9 %mem = alloca i32, i32 10 10 call void @dummy_use (i32* %mem, i32 10) 11 ret void 12 13 ; ARM-linux: test_basic: 14 15 ; ARM-linux: push {r4, r5} 16 ; ARM-linux: .cfi_def_cfa_offset 8 17 ; ARM-linux: .cfi_offset r5, -4 18 ; ARM-linux: .cfi_offset r4, -8 19 ; ARM-linux-NEXT: mrc p15, #0, r4, c13, c0, #3 20 ; ARM-linux-NEXT: mov r5, sp 21 ; ARM-linux-NEXT: ldr r4, [r4, #4] 22 ; ARM-linux-NEXT: cmp r4, r5 23 ; ARM-linux-NEXT: blo .LBB0_2 24 25 ; ARM-linux: mov r4, #48 26 ; ARM-linux-NEXT: mov r5, #0 27 ; ARM-linux-NEXT: stmdb sp!, {lr} 28 ; ARM-linux: .cfi_def_cfa_offset 12 29 ; ARM-linux: .cfi_offset lr, -12 30 ; ARM-linux-NEXT: bl __morestack 31 ; ARM-linux-NEXT: ldm sp!, {lr} 32 ; ARM-linux-NEXT: pop {r4, r5} 33 ; ARM-linux: .cfi_def_cfa_offset 0 34 ; ARM-linux-NEXT: bx lr 35 36 ; ARM-linux: pop {r4, r5} 37 ; ARM-linux: .cfi_def_cfa_offset 0 38 ; ARM-linux .cfi_same_value r4 39 ; ARM-linux .cfi_same_value r5 40 } 41 42 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.5 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 43 !1 = !DIFile(filename: "var.c", directory: "/tmp") 44 !2 = !{} 45 !4 = distinct !DISubprogram(name: "test_basic", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 5, file: !1, scope: !5, type: !6, variables: !2) 46 !5 = !DIFile(filename: "var.c", directory: "/tmp") 47 !6 = !DISubroutineType(types: !7) 48 !7 = !{!8, !8} 49 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 50 !9 = !{i32 2, !"Dwarf Version", i32 4} 51 !10 = !{i32 1, !"Debug Info Version", i32 3} 52 !11 = !{!"clang version 3.5 "} 53 !12 = !DILocalVariable(name: "count", line: 5, arg: 1, scope: !4, file: !5, type: !8) 54 !13 = !DILocation(line: 5, scope: !4) 55 !14 = !DILocalVariable(name: "vl", line: 6, scope: !4, file: !5, type: !15) 56 !15 = !DIDerivedType(tag: DW_TAG_typedef, name: "va_list", line: 30, file: !16, baseType: !17) 57 !16 = !DIFile(filename: "/linux-x86_64-high/gcc_4.7.2/dbg/llvm/bin/../lib/clang/3.5/include/stdarg.h", directory: "/tmp") 58 !17 = !DIDerivedType(tag: DW_TAG_typedef, name: "__builtin_va_list", line: 6, file: !1, baseType: !18) 59 !18 = !DICompositeType(tag: DW_TAG_structure_type, name: "__va_list", line: 6, size: 32, align: 32, file: !1, elements: !19) 60 !19 = !{!20} 61 !20 = !DIDerivedType(tag: DW_TAG_member, name: "__ap", line: 6, size: 32, align: 32, file: !1, scope: !18, baseType: !21) 62 !21 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: null) 63 !22 = !DILocation(line: 6, scope: !4) 64 !23 = !DILocation(line: 7, scope: !4) 65 !24 = !DILocalVariable(name: "test_basic", line: 8, scope: !4, file: !5, type: !8) 66 !25 = !DILocation(line: 8, scope: !4) 67 !26 = !DILocalVariable(name: "i", line: 9, scope: !27, file: !5, type: !8) 68 !27 = distinct !DILexicalBlock(line: 9, column: 0, file: !1, scope: !4) 69 !28 = !DILocation(line: 9, scope: !27) 70 !29 = !DILocation(line: 10, scope: !30) 71 !30 = distinct !DILexicalBlock(line: 9, column: 0, file: !1, scope: !27) 72 !31 = !DILocation(line: 11, scope: !30) 73 !32 = !DILocation(line: 12, scope: !4) 74 !33 = !DILocation(line: 13, scope: !4) 75 76 ; Just to prevent the alloca from being optimized away 77 declare void @dummy_use(i32*, i32) 78 79 attributes #0 = { "split-stack" } 80
